PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D15-793E645Bearing,sleeve

Northrop Grumman Systems Corporation Div Marine Systems · NSN 3120-00-662-8631 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-662-8631 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-662-8631. Primary manufacturer part number: D15-793E645.
Features
  • Bearing,sleeve — FSC 3120
  • Hole Diameter: 0.2500 INCHES NOMINAL FIRST IN
  • Left Flange Outside Diameter: 1.0010 INCHES MINIMUM AND 1.0015 INCHES MAXIMUM IN
  • Corner Shape: ROUND LEFT FLANGE BODY CORNER
  • Antirotation/lubrication Type and Quantity: 2 HOLE
  • Left Flange Width: 0.3750 INCHES NOMINAL IN
  • Body Inside Diameter: 0.2530 INCHES MINIMUM AND 0.2535 INCHES MAXIMUM IN
  • Material: NICKEL ALLOY K-500 OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Nickel Alloy K-500 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-662-8631, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-662-8631
Primary Part NumberD15-793E645
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Hole Diameter0.2500 INCHES NOMINAL FIRST IN
Left Flange Outside Diameter1.0010 INCHES MINIMUM AND 1.0015 INCHES MAXIMUM IN
Corner ShapeROUND LEFT FLANGE BODY CORNER
Antirotation/lubrication Type and Quantity2 HOLE
Left Flange Width0.3750 INCHES NOMINAL IN
Body Inside Diameter0.2530 INCHES MINIMUM AND 0.2535 INCHES MAXIMUM IN
MaterialNICKEL ALLOY K-500 OVERALL
Style DesignatorSOLID, EXTERNAL FLANGES BOTH ENDS
Hardness Rating20.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM OVERALL
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Body Outside Diameter0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE RIGHT FLANGE BODY CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeROUND RIGHT FLANGE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Right Flange Outside Diameter1.0010 INCHES MINIMUM AND 1.0015 INCHES MAXIMUM IN
Right Flange Width0.2500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6810-00-185-7075 INTERCHANGEABLE
Amyl Alcohol
4030-00-262-1791PF42 INTERCHANGEABLE
Thimble,rope
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5355-00-579-6390MS915282F2B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5935-00-733-63002066-1403-00 INTERCHANGEABLE
Connector,receptacle,electrical
Tyco Electronics Corp
3610-00-781-5068 INTERCHANGEABLE
Spring,supporter
3040-00-781-5707 INTERCHANGEABLE
Bracket,eye,rotating Shaft
5325-01-286-9139 INTERCHANGEABLE
Ring,retaining
5340-01-311-2347 INTERCHANGEABLE
Standoff,threaded,spacing
5120-01-542-74389032 INTERCHANGEABLE
Hammer,hand
Wright Tool Co
3419-01-546-63009032 INTERCHANGEABLE
Grinding Machine,belt,vertical a
Makita Usa Inc
Cross-Reference Index
Part NumberManufacturer
9032 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-793E645 Westinghouse Electric Corp Sturtevant Div (USA)
D15-793E645 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-793-1PC645 Northrop Grumman Systems Corporation Div Marine Systems (USA)
DI5-793IPC645 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-793-1PC645 Westinghouse Electric Corp (USA)
9032 Westinghouse Electric Corp (USA)
DI5-793IPC645 Westinghouse Electric Corp (USA)
DI5-793IPC645 Westinghouse Electric Corp Sturtevant Div (USA)
9032 Westinghouse Electric Corp Sturtevant Div (USA)
D15-793-1PC645 Westinghouse Electric Corp Sturtevant Div (USA)
Related Parts
6810-00-185-7075INTERCHANGEABLE
AMYL ALCOHOL
4030-00-262-1791INTERCHANGEABLE
THIMBLE,ROPE
PF42
5355-00-579-6390INTERCHANGEABLE
KNOB
MS915282F2B
5935-00-733-6300INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2066-1403-00
3610-00-781-5068INTERCHANGEABLE
SPRING,SUPPORTER
3040-00-781-5707INTERCHANGEABLE
BRACKET,EYE,ROTATING SHAFT
5325-01-286-9139INTERCHANGEABLE
RING,RETAINING
5340-01-311-2347INTERCHANGEABLE
STANDOFF,THREADED,SPACING
5120-01-542-7438INTERCHANGEABLE
HAMMER,HAND
9032
3419-01-546-6300INTERCHANGEABLE
GRINDING MACHINE,BELT,VERTICAL A
9032
7025-01-667-6648INTERCHANGEABLE
MEMORY UNIT,DATA STORAGE
9032

Frequently Asked Questions

What is NSN 3120-00-662-8631?

NSN 3120-00-662-8631 is a Bearing,sleeve, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-662-8631?

NSN 3120-00-662-8631 has 11 cross-referenced part numbers: 9032 (Northrop Grumman Systems Corporation Div Marine Systems), D15-793E645 (Westinghouse Electric Corp Sturtevant Div), D15-793E645 (Northrop Grumman Systems Corporation Div Marine Systems), D15-793-1PC645 (Northrop Grumman Systems Corporation Div Marine Systems), DI5-793IPC645 (Northrop Grumman Systems Corporation Div Marine Systems) and 6 more.

What NSN replaces 3120-00-662-8631?

There are 11 known substitutes for 3120-00-662-8631: 6810-00-185-7075, 4030-00-262-1791, 5355-00-579-6390 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D15-793E645?

Key specifications for D15-793E645: Hole Diameter: 0.2500 INCHES NOMINAL FIRST IN; Left Flange Outside Diameter: 1.0010 INCHES MINIMUM AND 1.0015 INCHES MAXIMUM IN; Corner Shape: ROUND LEFT FLANGE BODY CORNER; Antirotation/lubrication Type and Quantity: 2 HOLE. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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